30 FOOT LIGHTWEIGHT TELESCOPIC MAST, PHASE I.
Quarterly rept. no. 1, 1 July-30 Dec 63,
AMERICAN MACHINE AND FOUNDRY CO STAMFORD CONN
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Reserch concerns the development of a telescopic antenna mast. A 30 ft lighweight mast was developed after considering various materials for suitability as to strength, availability, and production processes. Fiberglass and aluminum were the major materials considered. A design utilizing both materials was developed. Drawn aluminum tubes are used for eight of the telescopic mast sections. Fiberglass is used for the lowest mast section which serves as the case. The case cap is also fiberglass along with three guy spools which nest in the cap. Guys are dacron. A special spring mechanism which locks the extended mast sections was developed. Author